Ruedi Frey

Follow

Person

Bassersdorf, CH

People

Patents Grantslast 30 patents

Information Patent Grant
Regeneration of nt-scr catalysts
- Patent number 7,595,033
- Issue date Sep 29, 2009
- Von Roll Umwelttechnik AG
- Ruedi Frey
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Process and apparatus for the 3-stage treatment of solid residues f...
- Patent number 5,925,165
- Issue date Jul 20, 1999
- Von Roll Umwelttechnik AG
- Karl Heinz Pflugl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the treatment of solid residue from refuse incineration...
- Patent number 5,765,489
- Issue date Jun 16, 1998
- Von Roll Umwelttechnik AG
- Ernst Hugentobler
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Process and installation for the recovery of ammonia during the sep...
- Patent number 5,069,886
- Issue date Dec 3, 1991
- Ruedi Frey
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Regeneration of nt-scr catalysts
- Publication number 20080089822
- Publication date Apr 17, 2008
- Ruedi Frey
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES